Which is the force of attraction that holds atoms together? A) Physical bond B) Chemical bond C) Friction D) Gravity

QUESTION POSTED AT 26/03/2020 - 08:17 AM

Answered by admin AT 26/03/2020 - 08:17 AM

B) chemical bond i believe is the correct answer
Post your answer

Related questions

If you combine 370.0 mL of water at 25.00 °C and 130.0 mL of water at 95.00 °C, what is the final temperature of the mixture? Use 1.00 g/mL as the density of water.

Even at STP, water can exist under 0 deg C. it quite is stated as sub-cooling. there is an significant concern in aviation stated as rime icing. Rime is a white or milky opaque granular deposit of ice. It occurs whilst supercooled water droplets strike an merchandise at temperatures at or under freezing.

ANSWERED AT 01/04/2020 - 01:45 PM


QUESTION POSTED AT 01/04/2020 - 01:45 PM

What kind of bond is not formed by the differences in electronegativity

It's nonpolar covalent

ANSWERED AT 01/04/2020 - 01:45 PM


QUESTION POSTED AT 01/04/2020 - 01:45 PM

Work the following calculations: A) How many moles are in 23 grams of oxygen (Z=8)? B) What is the mass of 2.5 moles of nitrogen (Z=7)?

THE MASS OF 2.5 IS THE AMOUNT OF THE LINER EQUITATION SO DIVIDE 2.5 INTO 23 GRAMS AND MULTIPLY YOUR PROFIT BRO BTW IM NOT A COP SO STAY COOL MY FRIEND

ANSWERED AT 01/04/2020 - 01:44 PM


QUESTION POSTED AT 01/04/2020 - 01:44 PM

A roller coaster reaches its maximum potential energy when it A.is sitting at the top of a hill. B.reaches the bottom of a hill. C. rounds a curve. D. starts up a hill.


dont ask how
anyways 
abcdefghijklmnopqrstuvwxyz now I know my ABC whatever the rest of the lyrics are

ANSWERED AT 01/04/2020 - 01:30 PM


QUESTION POSTED AT 01/04/2020 - 01:30 PM

Could element A and I ever bond to create a molecule? Why or why not?

A and I can be bond to create molecule

ANSWERED AT 31/03/2020 - 10:38 AM


QUESTION POSTED AT 31/03/2020 - 10:38 AM

Farah is doing an experiment that involves calculating the speed of a longitudinal wave. What will most likely happen if she increases the temperature in the room? a) The amplitude of the wave will increase. b) The amplitude of the wave will decrease. c) The speed of the wave will increase. d) The speed of the wave will decrease.

The correct answer is:

C. The speed of the wave will increase.

What will most likely happen if she increases the temperature in the room is the speed of the wave will increase.

|Huntrw6|

ANSWERED AT 29/03/2020 - 11:14 PM


QUESTION POSTED AT 29/03/2020 - 11:14 PM

Which of the following atoms has the highest electronegativity? Use the periodic table to answer this question.

Fluorine is the most electronegative. So as the elements move further away, the less electronegative they are.. generally. So Nitrogen is less electronegative than Oxygen. And Bromine is less electronegative than Chlorine. As the periodic table moves towards the upper right corner towards Fluorine, the more electronegative the element.

ANSWERED AT 29/03/2020 - 06:28 PM


QUESTION POSTED AT 29/03/2020 - 06:28 PM

Electron Atom Actions I won't give a thanks if you tell me the answer tomorrow, I need it today thanks. Can someone check it and explain how you know if it's correct or not, I'm still confused on how to do this

I can tell that you got this right because it has to be a certain size and it is .
            great job!

ANSWERED AT 29/03/2020 - 06:24 PM


QUESTION POSTED AT 29/03/2020 - 06:24 PM

Hamid is viewing an image of a bird produced by a set of concave lenses. What must be true about the image? a) It is a virtual image. b)It is upside down. c)It is larger than the actual bird. d)It is capable of being projected.

The correct answer is option b, that is, it is upside down.  

A concave lens refers to a lens, which exhibits at least one surface that curves inwardly. It is a diverging lens, that is, it disperses out the rays of light, which have been refracted via it. A concave lens is thinner in the middle in comparison to its edges and is used in the correction of myopia.  

If the concave lens is used to observe the image of the bird, then the image will possibly be observed upside down.  


ANSWERED AT 29/03/2020 - 06:23 PM


QUESTION POSTED AT 29/03/2020 - 06:23 PM

Brock brings a magnet near a metal object. a magnetic force acts on an object, pulling it upward. which of the following best describes the magnetic force? a) frictional force b) contact force c) gravitational force d) a force that acts at a distance

Answer: Option (d) is the correct answer.

Explanation:

Magnetic force is the force which acts from one charged object to another charged or neutral object.

This force acts at a certain distance and if the charged objects are oppositely charged then they attract each other. When the charged objects have same charge then the objects repel each other.

Thus, we can conclude that a force that acts at a distance best describes the magnetic force.

ANSWERED AT 29/03/2020 - 06:22 PM


QUESTION POSTED AT 29/03/2020 - 06:22 PM

Explain why isotopes of the same element behave differently in nuclear reactions but not in chemical reactions

The nuclear core additionally contains neutrons. In customary concoction responses, neutron number does not make a difference. This is on the grounds that substance responses include just electrons. Be that as it may, in atomic responses, distinctive isotopes of a similar component can carry on in an unexpected way.

ANSWERED AT 29/03/2020 - 06:14 PM


QUESTION POSTED AT 29/03/2020 - 06:14 PM

How many carbon atoms will be in the longest chain of 2,2,4-trimethylpentane?

the answer to this item is 5 carbons. then the sub one is 3 !

ANSWERED AT 28/03/2020 - 07:19 PM


QUESTION POSTED AT 28/03/2020 - 07:19 PM

5. Which scientist’s atomic model described that electrons move in definite orbits around the nucleus just like planets orbit the sun?

I belive it would be Rutherford

ANSWERED AT 28/03/2020 - 12:51 PM


QUESTION POSTED AT 28/03/2020 - 12:51 PM

Where are chlorofluorocarbons found? a. coolants b. the atmosphere c. solvents d. all of the above

chlorofluorocarbons are the compounds used as coolant in refrigerators

so definitely they are found in coolants

It is also used as blowing agent, in foams etc so is also be found in solvent

They enter the ozone layer and destroy it and is thus found in atmosphere also

It is being banned for these reasons.

So the answer is all of the above



ANSWERED AT 28/03/2020 - 12:48 PM


QUESTION POSTED AT 28/03/2020 - 12:48 PM

You have .32 Liters of a 2.5 M HF Solution. A. How many moles of hydrofluoric acid do you have? B. How many grams of HF? Please show all work for any credit.

A. 0.32 Liters / 2.5 Moles per Liter = 0.128 Moles HF.

...Make sure you calculate molar mass for HF from periodic table..

B. 0.128 Moles HF x 20.01grams per Mole of HF = 2.56128 grams HF

ANSWERED AT 28/03/2020 - 12:33 PM


QUESTION POSTED AT 28/03/2020 - 12:33 PM

What is the mass number of an atom with 3 protons and 4 neutrons and 3 electrons

I think its 11.....................

ANSWERED AT 28/03/2020 - 12:29 PM


QUESTION POSTED AT 28/03/2020 - 12:29 PM

Help!!! A, B, and C

A. Gold,lead,glass,brick, and steel

b. 8 because they are all over 1.0 density level

c. ice and paraffin (maybe wood but that is not a liquid)

ANSWERED AT 28/03/2020 - 12:00 PM


QUESTION POSTED AT 28/03/2020 - 12:00 PM

Which statement about the half life of a radioactive sample is true? a.) it is an exact measure of the decay of an individual atom. b.) it measures the tendency of a radioisotope to decay radioactively. c.) it is affected by the concentration of the radioactive substance that is present. d.) it can be calculated based on neutron number.

The radioactive decay can be expressed through the following exponential law:

If [A]₀ is the initial concentration of the radioactive nuclei and [A] is the concentration after a decay time t, then:-

[A]/[A]₀ = exp(-kt)

or, k = -1/t * ln[A]/[A]₀ ----(1)

where k = decay rate constant

Now, the half life is given as :

t1/2 = 0.693/k ----(2)

Thus, the half life is dependent on k which is in turn dependent on the concentrations, [A] and [A]₀

Ans: c) it is affected by the concentration of the radioactive substance that is present.

ANSWERED AT 28/03/2020 - 12:00 PM


QUESTION POSTED AT 28/03/2020 - 12:00 PM

Which of these is a generic name for a subatomic particle in the nucleus of an atom? A. nuclide B. nucleon C. isotope D. quark

The quark is subatomic!!!!!!

ANSWERED AT 28/03/2020 - 11:59 AM


QUESTION POSTED AT 28/03/2020 - 11:59 AM

The volume of a gas is always the same as the volume of __________. its container the atmosphere its atoms its molecules

Answer: its container

Explanation:

There are three states of matter:

Solid state : In this state, the molecules are arranged in regular and repeating pattern. The molecules are closely packed that means they are fixed and thus have fixed shape and volume.

For example : Copper

Liquid state : In this state, the molecules are present in random and irregular pattern. The molecules are closely packed but they can move from one place to another.  They have fixed volume and take the shape of the container.

For example : water

Gaseous state : In this state, the molecules are present in irregular pattern. The molecules are not closely packed and they can move freely from one place to another and spread out.  Thus they do not have any fixed shape and occupy the whole volume of the container.

For example : Helium gas

ANSWERED AT 28/03/2020 - 11:55 AM


QUESTION POSTED AT 28/03/2020 - 11:55 AM